/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 14:17:15,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 14:17:15,634 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 14:17:15,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 14:17:15,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 14:17:15,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 14:17:15,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 14:17:15,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 14:17:15,671 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 14:17:15,676 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 14:17:15,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 14:17:15,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 14:17:15,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 14:17:15,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 14:17:15,678 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 14:17:15,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 14:17:15,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 14:17:15,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 14:17:15,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 14:17:15,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 14:17:15,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 14:17:15,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 14:17:15,682 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 14:17:15,682 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 14:17:15,682 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 14:17:15,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 14:17:15,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 14:17:15,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 14:17:15,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 14:17:15,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 14:17:15,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 14:17:15,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 14:17:15,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 14:17:15,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 14:17:15,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 14:17:15,685 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 14:17:15,685 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 14:17:15,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 14:17:15,686 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 14:17:15,686 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 14:17:15,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 14:17:15,686 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 14:17:15,686 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:17:16,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 14:17:16,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 14:17:16,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 14:17:16,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 14:17:16,033 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 14:17:16,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-01 14:17:17,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 14:17:18,073 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 14:17:18,074 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-01 14:17:18,121 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8992d14a/cd1f0411a2164c85af08f89a89ed53d8/FLAGce88f072a [2024-11-01 14:17:18,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8992d14a/cd1f0411a2164c85af08f89a89ed53d8 [2024-11-01 14:17:18,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 14:17:18,145 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 14:17:18,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 14:17:18,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 14:17:18,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 14:17:18,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 02:17:18" (1/1) ... [2024-11-01 14:17:18,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35897fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:18, skipping insertion in model container [2024-11-01 14:17:18,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 02:17:18" (1/1) ... [2024-11-01 14:17:18,251 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 14:17:19,046 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,336 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,400 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,403 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,411 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,424 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,442 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,443 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,443 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,445 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,484 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,484 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,487 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,488 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,489 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,495 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,497 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,498 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,522 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,533 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,534 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,535 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,543 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,547 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,547 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,549 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,559 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,570 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,584 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,606 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,608 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,609 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,611 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,613 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,614 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,620 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,621 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,668 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-01 14:17:19,684 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,685 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,713 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 14:17:19,764 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-01 14:17:19,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 14:17:19,945 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,959 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,970 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,972 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,974 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,975 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,978 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,978 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,978 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,979 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,981 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,981 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,982 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,983 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,983 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,984 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,988 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,988 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,992 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,995 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,996 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:19,997 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,002 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,003 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,003 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,005 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,008 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,013 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,014 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,019 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,023 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,024 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,024 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,025 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,026 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,026 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,027 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,034 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-01 14:17:20,040 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,041 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,052 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 14:17:20,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 14:17:20,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 14:17:20,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4831-4837] [2024-11-01 14:17:20,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4844-4850] [2024-11-01 14:17:20,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %2,%1\n\t" "sbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4857-4864] [2024-11-01 14:17:20,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "incl %0": "+m" (v->counter)); [4894-4900] [2024-11-01 14:17:20,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "decl %0": "+m" (v->counter)); [4907-4913] [2024-11-01 14:17:20,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/work/current--X--drivers/net/can/usb/ems_usb.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/68_1/drivers/net/can/usb/ems_usb.c.common.c"), "i" (510), "i" (sizeof(struct bug_entry ))); [5717-5723] [2024-11-01 14:17:20,366 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-01 14:17:20,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 14:17:20,583 INFO L204 MainTranslator]: Completed translation [2024-11-01 14:17:20,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20 WrapperNode [2024-11-01 14:17:20,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 14:17:20,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 14:17:20,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 14:17:20,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 14:17:20,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:20,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:20,762 INFO L138 Inliner]: procedures = 144, calls = 778, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1577 [2024-11-01 14:17:20,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 14:17:20,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 14:17:20,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 14:17:20,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 14:17:20,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:20,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:20,793 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:20,980 INFO L175 MemorySlicer]: Split 342 memory accesses to 8 slices as follows [2, 8, 10, 8, 8, 42, 261, 3]. 76 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 8, 0, 8, 8, 0, 8, 0]. The 214 writes are split as follows [0, 0, 0, 0, 0, 42, 172, 0]. [2024-11-01 14:17:20,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:20,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:21,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:21,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:21,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:21,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:21,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 14:17:21,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 14:17:21,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 14:17:21,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 14:17:21,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (1/1) ... [2024-11-01 14:17:21,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 14:17:21,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 14:17:21,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-01 14:17:21,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-01 14:17:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-01 14:17:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-01 14:17:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 14:17:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 14:17:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 14:17:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 14:17:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 14:17:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 14:17:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 14:17:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-01 14:17:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2024-11-01 14:17:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2024-11-01 14:17:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-01 14:17:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-01 14:17:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 14:17:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 14:17:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 14:17:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 14:17:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 14:17:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 14:17:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 14:17:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-01 14:17:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 14:17:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 14:17:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 14:17:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 14:17:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 14:17:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 14:17:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 14:17:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 14:17:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 14:17:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 14:17:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 14:17:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 14:17:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 14:17:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 14:17:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-01 14:17:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-01 14:17:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2024-11-01 14:17:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2024-11-01 14:17:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-01 14:17:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-01 14:17:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 14:17:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 14:17:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2024-11-01 14:17:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2024-11-01 14:17:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-11-01 14:17:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-11-01 14:17:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 14:17:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 14:17:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-11-01 14:17:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-11-01 14:17:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-01 14:17:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-01 14:17:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-01 14:17:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-01 14:17:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 14:17:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 14:17:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 14:17:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 14:17:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 14:17:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 14:17:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 14:17:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-01 14:17:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 14:17:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 14:17:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 14:17:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-01 14:17:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-01 14:17:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-01 14:17:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-01 14:17:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-01 14:17:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2024-11-01 14:17:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2024-11-01 14:17:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 14:17:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2024-11-01 14:17:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2024-11-01 14:17:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 14:17:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-01 14:17:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-01 14:17:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 14:17:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 14:17:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 14:17:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 14:17:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 14:17:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 14:17:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 14:17:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 14:17:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 14:17:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 14:17:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 14:17:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 14:17:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 14:17:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 14:17:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 14:17:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 14:17:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-01 14:17:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2024-11-01 14:17:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2024-11-01 14:17:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 14:17:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 14:17:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 14:17:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 14:17:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-01 14:17:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-01 14:17:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-01 14:17:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-01 14:17:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-01 14:17:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 14:17:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 14:17:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 14:17:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 14:17:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 14:17:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 14:17:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 14:17:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 14:17:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-01 14:17:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-01 14:17:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-01 14:17:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-01 14:17:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-01 14:17:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-01 14:17:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 14:17:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 14:17:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 14:17:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-01 14:17:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-01 14:17:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-01 14:17:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 14:17:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 14:17:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 14:17:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 14:17:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 14:17:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 14:17:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 14:17:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 14:17:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 14:17:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-01 14:17:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-01 14:17:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 14:17:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 14:17:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 14:17:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 14:17:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 14:17:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 14:17:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 14:17:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 14:17:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-01 14:17:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-01 14:17:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-01 14:17:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-01 14:17:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-01 14:17:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-01 14:17:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-01 14:17:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-01 14:17:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-01 14:17:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-01 14:17:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-01 14:17:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-01 14:17:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-01 14:17:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-01 14:17:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-01 14:17:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-01 14:17:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-01 14:17:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-01 14:17:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-01 14:17:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-01 14:17:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 14:17:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 14:17:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 14:17:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 14:17:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 14:17:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 14:17:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 14:17:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-01 14:17:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-01 14:17:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-01 14:17:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-01 14:17:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-01 14:17:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 14:17:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 14:17:21,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 14:17:21,702 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 14:17:23,453 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-01 14:17:28,294 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-01 14:17:49,834 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2024-11-01 14:17:49,834 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2024-11-01 14:17:50,009 INFO L? ?]: Removed 599 outVars from TransFormulas that were not future-live. [2024-11-01 14:17:50,010 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 14:17:50,037 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 14:17:50,038 INFO L316 CfgBuilder]: Removed 13 assume(true) statements. [2024-11-01 14:17:50,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 02:17:50 BoogieIcfgContainer [2024-11-01 14:17:50,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 14:17:50,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 14:17:50,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 14:17:50,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 14:17:50,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 02:17:18" (1/3) ... [2024-11-01 14:17:50,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c609356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 02:17:50, skipping insertion in model container [2024-11-01 14:17:50,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:17:20" (2/3) ... [2024-11-01 14:17:50,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c609356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 02:17:50, skipping insertion in model container [2024-11-01 14:17:50,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 02:17:50" (3/3) ... [2024-11-01 14:17:50,049 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-01 14:17:50,065 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 14:17:50,065 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 14:17:50,142 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 14:17:50,147 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fc14970, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 14:17:50,148 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 14:17:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 482 states, 331 states have (on average 1.3232628398791542) internal successors, (438), 343 states have internal predecessors, (438), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-01 14:17:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-01 14:17:50,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 14:17:50,163 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 14:17:50,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 14:17:50,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 14:17:50,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1986823710, now seen corresponding path program 1 times [2024-11-01 14:17:50,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 14:17:50,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521948118] [2024-11-01 14:17:50,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 14:17:50,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:17:50,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 14:17:50,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 14:17:50,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-01 14:17:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 14:17:54,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 14:17:54,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 14:17:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 14:17:55,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 14:17:56,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 14:17:56,593 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 14:17:56,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521948118] [2024-11-01 14:17:56,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1521948118] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 14:17:56,594 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 14:17:56,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-01 14:17:56,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58512329] [2024-11-01 14:17:56,596 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 14:17:56,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-01 14:17:56,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 14:17:56,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-01 14:17:56,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-01 14:17:56,618 INFO L87 Difference]: Start difference. First operand has 482 states, 331 states have (on average 1.3232628398791542) internal successors, (438), 343 states have internal predecessors, (438), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-01 14:17:57,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 14:17:57,124 INFO L93 Difference]: Finished difference Result 948 states and 1320 transitions. [2024-11-01 14:17:57,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 14:17:57,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-01 14:17:57,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 14:17:57,142 INFO L225 Difference]: With dead ends: 948 [2024-11-01 14:17:57,142 INFO L226 Difference]: Without dead ends: 475 [2024-11-01 14:17:57,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-01 14:17:57,154 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 0 mSDsluCounter, 1865 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2489 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-01 14:17:57,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2489 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-01 14:17:57,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-01 14:17:57,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2024-11-01 14:17:57,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 327 states have (on average 1.235474006116208) internal successors, (404), 335 states have internal predecessors, (404), 110 states have call successors, (110), 37 states have call predecessors, (110), 37 states have return successors, (107), 105 states have call predecessors, (107), 106 states have call successors, (107) [2024-11-01 14:17:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 621 transitions. [2024-11-01 14:17:57,240 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 621 transitions. Word has length 21 [2024-11-01 14:17:57,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 14:17:57,241 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 621 transitions. [2024-11-01 14:17:57,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-01 14:17:57,242 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 621 transitions. [2024-11-01 14:17:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-01 14:17:57,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 14:17:57,243 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 14:17:57,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-01 14:17:57,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:17:57,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 14:17:57,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 14:17:57,445 INFO L85 PathProgramCache]: Analyzing trace with hash -738402021, now seen corresponding path program 1 times [2024-11-01 14:17:57,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 14:17:57,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639589223] [2024-11-01 14:17:57,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 14:17:57,446 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:17:57,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 14:17:57,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 14:17:57,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-01 14:18:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 14:18:01,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 14:18:01,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 14:18:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 14:18:02,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 14:18:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 14:18:03,733 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 14:18:03,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639589223] [2024-11-01 14:18:03,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [639589223] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 14:18:03,734 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 14:18:03,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 14:18:03,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231043977] [2024-11-01 14:18:03,734 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 14:18:03,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 14:18:03,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 14:18:03,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 14:18:03,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 14:18:03,736 INFO L87 Difference]: Start difference. First operand 475 states and 621 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 14:18:04,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 14:18:04,035 INFO L93 Difference]: Finished difference Result 1381 states and 1820 transitions. [2024-11-01 14:18:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 14:18:04,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 26 [2024-11-01 14:18:04,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 14:18:04,051 INFO L225 Difference]: With dead ends: 1381 [2024-11-01 14:18:04,051 INFO L226 Difference]: Without dead ends: 926 [2024-11-01 14:18:04,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 14:18:04,055 INFO L432 NwaCegarLoop]: 680 mSDtfsCounter, 591 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 14:18:04,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 1269 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 14:18:04,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-11-01 14:18:04,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 922. [2024-11-01 14:18:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 636 states have (on average 1.2358490566037736) internal successors, (786), 648 states have internal predecessors, (786), 213 states have call successors, (213), 72 states have call predecessors, (213), 72 states have return successors, (213), 206 states have call predecessors, (213), 209 states have call successors, (213) [2024-11-01 14:18:04,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1212 transitions. [2024-11-01 14:18:04,140 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1212 transitions. Word has length 26 [2024-11-01 14:18:04,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 14:18:04,141 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1212 transitions. [2024-11-01 14:18:04,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 14:18:04,141 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1212 transitions. [2024-11-01 14:18:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-01 14:18:04,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 14:18:04,142 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 14:18:04,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-01 14:18:04,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:18:04,343 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 14:18:04,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 14:18:04,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1415869157, now seen corresponding path program 1 times [2024-11-01 14:18:04,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 14:18:04,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314482689] [2024-11-01 14:18:04,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 14:18:04,344 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:18:04,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 14:18:04,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 14:18:04,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-01 14:18:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 14:18:08,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 14:18:08,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 14:18:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 14:18:09,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 14:18:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 14:18:10,794 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 14:18:10,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314482689] [2024-11-01 14:18:10,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [314482689] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 14:18:10,795 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 14:18:10,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 14:18:10,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28279688] [2024-11-01 14:18:10,795 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 14:18:10,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 14:18:10,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 14:18:10,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 14:18:10,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 14:18:10,796 INFO L87 Difference]: Start difference. First operand 922 states and 1212 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 14:18:11,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 14:18:11,082 INFO L93 Difference]: Finished difference Result 2723 states and 3595 transitions. [2024-11-01 14:18:11,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 14:18:11,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 27 [2024-11-01 14:18:11,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 14:18:11,095 INFO L225 Difference]: With dead ends: 2723 [2024-11-01 14:18:11,095 INFO L226 Difference]: Without dead ends: 1813 [2024-11-01 14:18:11,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 14:18:11,101 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 590 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 14:18:11,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 1225 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 14:18:11,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2024-11-01 14:18:11,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1802. [2024-11-01 14:18:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 1243 states have (on average 1.2333065164923571) internal successors, (1533), 1262 states have internal predecessors, (1533), 418 states have call successors, (418), 141 states have call predecessors, (418), 140 states have return successors, (424), 406 states have call predecessors, (424), 414 states have call successors, (424) [2024-11-01 14:18:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2375 transitions. [2024-11-01 14:18:11,231 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2375 transitions. Word has length 27 [2024-11-01 14:18:11,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 14:18:11,232 INFO L471 AbstractCegarLoop]: Abstraction has 1802 states and 2375 transitions. [2024-11-01 14:18:11,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 14:18:11,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2375 transitions. [2024-11-01 14:18:11,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-01 14:18:11,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 14:18:11,237 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 14:18:11,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-01 14:18:11,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:18:11,438 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 14:18:11,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 14:18:11,439 INFO L85 PathProgramCache]: Analyzing trace with hash -440434169, now seen corresponding path program 1 times [2024-11-01 14:18:11,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 14:18:11,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700248587] [2024-11-01 14:18:11,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 14:18:11,440 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:18:11,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 14:18:11,443 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 14:18:11,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-01 14:18:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 14:18:15,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 14:18:15,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 14:18:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 14:18:16,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 14:18:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 14:18:18,283 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 14:18:18,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700248587] [2024-11-01 14:18:18,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [700248587] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 14:18:18,283 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 14:18:18,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 14:18:18,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195408364] [2024-11-01 14:18:18,284 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 14:18:18,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 14:18:18,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 14:18:18,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 14:18:18,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 14:18:18,285 INFO L87 Difference]: Start difference. First operand 1802 states and 2375 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-01 14:18:21,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 14:18:21,355 INFO L93 Difference]: Finished difference Result 5212 states and 7293 transitions. [2024-11-01 14:18:21,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 14:18:21,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 76 [2024-11-01 14:18:21,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 14:18:21,385 INFO L225 Difference]: With dead ends: 5212 [2024-11-01 14:18:21,385 INFO L226 Difference]: Without dead ends: 3425 [2024-11-01 14:18:21,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 14:18:21,394 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 403 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-01 14:18:21,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1859 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-01 14:18:21,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2024-11-01 14:18:21,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3401. [2024-11-01 14:18:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3401 states, 2338 states have (on average 1.292557741659538) internal successors, (3022), 2389 states have internal predecessors, (3022), 922 states have call successors, (922), 141 states have call predecessors, (922), 140 states have return successors, (944), 894 states have call predecessors, (944), 918 states have call successors, (944) [2024-11-01 14:18:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 3401 states and 4888 transitions. [2024-11-01 14:18:21,597 INFO L78 Accepts]: Start accepts. Automaton has 3401 states and 4888 transitions. Word has length 76 [2024-11-01 14:18:21,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 14:18:21,597 INFO L471 AbstractCegarLoop]: Abstraction has 3401 states and 4888 transitions. [2024-11-01 14:18:21,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-01 14:18:21,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 4888 transitions. [2024-11-01 14:18:21,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-01 14:18:21,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 14:18:21,603 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 14:18:21,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-01 14:18:21,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:18:21,803 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 14:18:21,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 14:18:21,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1281989802, now seen corresponding path program 1 times [2024-11-01 14:18:21,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 14:18:21,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909971148] [2024-11-01 14:18:21,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 14:18:21,804 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:18:21,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 14:18:21,806 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 14:18:21,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-01 14:18:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 14:18:26,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 14:18:26,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 14:18:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 14:18:26,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 14:18:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 14:18:28,718 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 14:18:28,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909971148] [2024-11-01 14:18:28,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [909971148] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 14:18:28,718 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 14:18:28,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 14:18:28,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128147339] [2024-11-01 14:18:28,718 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 14:18:28,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 14:18:28,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 14:18:28,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 14:18:28,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 14:18:28,720 INFO L87 Difference]: Start difference. First operand 3401 states and 4888 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-01 14:18:29,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 14:18:29,460 INFO L93 Difference]: Finished difference Result 6810 states and 9793 transitions. [2024-11-01 14:18:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 14:18:29,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2024-11-01 14:18:29,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 14:18:29,485 INFO L225 Difference]: With dead ends: 6810 [2024-11-01 14:18:29,485 INFO L226 Difference]: Without dead ends: 3425 [2024-11-01 14:18:29,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 14:18:29,499 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 0 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-01 14:18:29,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2443 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-01 14:18:29,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2024-11-01 14:18:29,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3425. [2024-11-01 14:18:29,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3425 states, 2362 states have (on average 1.2895850973751057) internal successors, (3046), 2413 states have internal predecessors, (3046), 922 states have call successors, (922), 141 states have call predecessors, (922), 140 states have return successors, (944), 894 states have call predecessors, (944), 918 states have call successors, (944) [2024-11-01 14:18:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 4912 transitions. [2024-11-01 14:18:29,710 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 4912 transitions. Word has length 78 [2024-11-01 14:18:29,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 14:18:29,710 INFO L471 AbstractCegarLoop]: Abstraction has 3425 states and 4912 transitions. [2024-11-01 14:18:29,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-01 14:18:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 4912 transitions. [2024-11-01 14:18:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-01 14:18:29,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 14:18:29,714 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 14:18:29,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-01 14:18:29,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:18:29,915 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 14:18:29,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 14:18:29,915 INFO L85 PathProgramCache]: Analyzing trace with hash -21628062, now seen corresponding path program 1 times [2024-11-01 14:18:29,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 14:18:29,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890327127] [2024-11-01 14:18:29,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 14:18:29,916 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:18:29,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 14:18:29,921 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 14:18:29,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-01 14:18:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 14:18:33,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-01 14:18:33,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 14:18:35,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 14:18:35,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 14:18:40,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 14:18:40,233 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 14:18:40,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890327127] [2024-11-01 14:18:40,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1890327127] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 14:18:40,234 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 14:18:40,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2024-11-01 14:18:40,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082131370] [2024-11-01 14:18:40,234 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 14:18:40,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-01 14:18:40,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 14:18:40,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-01 14:18:40,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-01 14:18:40,235 INFO L87 Difference]: Start difference. First operand 3425 states and 4912 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 14:18:40,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 14:18:40,976 INFO L93 Difference]: Finished difference Result 5167 states and 7443 transitions. [2024-11-01 14:18:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-01 14:18:40,978 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2024-11-01 14:18:40,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 14:18:41,003 INFO L225 Difference]: With dead ends: 5167 [2024-11-01 14:18:41,003 INFO L226 Difference]: Without dead ends: 3453 [2024-11-01 14:18:41,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-01 14:18:41,016 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 0 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3680 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-01 14:18:41,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3680 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-01 14:18:41,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3453 states. [2024-11-01 14:18:41,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3453 to 3453. [2024-11-01 14:18:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3453 states, 2382 states have (on average 1.2871536523929472) internal successors, (3066), 2433 states have internal predecessors, (3066), 922 states have call successors, (922), 141 states have call predecessors, (922), 148 states have return successors, (968), 902 states have call predecessors, (968), 918 states have call successors, (968) [2024-11-01 14:18:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 3453 states and 4956 transitions. [2024-11-01 14:18:41,196 INFO L78 Accepts]: Start accepts. Automaton has 3453 states and 4956 transitions. Word has length 79 [2024-11-01 14:18:41,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 14:18:41,197 INFO L471 AbstractCegarLoop]: Abstraction has 3453 states and 4956 transitions. [2024-11-01 14:18:41,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 14:18:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3453 states and 4956 transitions. [2024-11-01 14:18:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-01 14:18:41,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 14:18:41,201 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 14:18:41,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-01 14:18:41,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:18:41,406 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 14:18:41,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 14:18:41,406 INFO L85 PathProgramCache]: Analyzing trace with hash 308137699, now seen corresponding path program 1 times [2024-11-01 14:18:41,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 14:18:41,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071248820] [2024-11-01 14:18:41,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 14:18:41,407 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 14:18:41,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 14:18:41,408 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 14:18:41,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-01 14:18:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 14:18:45,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-01 14:18:45,564 INFO L278 TraceCheckSpWp]: Computing forward predicates...